cmake HAVE_PCAP_DATALINK_VAL_TO_NAME examples

usb-tools/USBProxy-legacy src/cmake/modules/FindPCAP.cmake :117 

CHECK_FUNCTION_EXISTS("pcap_datalink_val_to_name" HAVE_PCAP_DATALINK_VAL_TO_NAME)

boundary/wireshark cmake/modules/FindPCAP.cmake :126 

CHECK_FUNCTION_EXISTS("pcap_datalink_val_to_name" HAVE_PCAP_DATALINK_VAL_TO_NAME)

gnss-sdr/gnss-sdr cmake/Modules/FindPCAP.cmake :119 

check_function_exists("pcap_datalink_val_to_name" HAVE_PCAP_DATALINK_VAL_TO_NAME)